Exedy Mach 600 stage 4 or SPEC stage 3+ (pedal effort, longivity, chatter etc). Also what are the symptoms of clutch slipping? When I backed up my car into the driveway or drove forward, I could hear a grinding noise. It felt like the clutch was not engaged all the way. My driveway is not even that steep. When shifting from 3rd to 4th at high speed, I have to muscle it in (sometime, I missed). The harder I drive the car the harder it is to shift. I can no longer powershift it, thanks. Sorry misspelled clutch.
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